[s-cars] Re: WRX (was NAC, but more turbo content)

[Joseph Pizzimenti]

Unless Subaru dramatically changed their automatic
transmission AWD system, I'm gonna have to go with
Keith on this one.  90/10 was what was around when I
was semi-shopping for WRX before buying this car.
--- TM <t44tq at mindspring.com> wrote:
> Actually Keith-
> I'm pretty sure that the automatic WRX comes with a
> standard 50/50
> torque
> split until slippage occurs. The torque available to
> each axle is
> significantly
> greater with the computer-controlled diff, hence the
> difference in SCCA
> SoloII
> classification (at least initially) for the WRX
> manual and auto and also
> the
> reason why some Subaru tuners offer a conversion to
> the
> computer-controlled
> diff for the cars that didn't come with it from the
> factory.
>
> I'm trying to convince a co-worker that the WRX
> wagon is the way to go,
> over
> a Toyota Matrix and a Toyota Highlander.
>
> Were I in the market for a new car right now, I'd be
> looking at the WRX
> STi
> and the Lancer Evo 8 very seriously.
>
> Taka
>
>
> -----Original Message-----
> From: s-car-list-admin at audifans.com
> [mailto:s-car-list-admin at audifans.com] On Behalf Of
> Keith Maddock
> Sent: Monday, January 13, 2003 5:32 PM
> To: skippertgore at hotmail.com
> Cc: s-car-list at audifans.com
> Subject: [s-cars] Re: WRX (was NAC, but more turbo
> content)
>
>
> I sat in a WRX at the Detroit Auto Show in 2001 when
> I was trying to
> decide between UrS4, S4tt, and WRX as a replacement
> car for my 91
> 200q20v.
>
> The S4tt felt cramped for me, and even the S6 2.7T
> felt less than
> perfect.  The WRX was an extremely tight fit.  After
> spending 8 years in
> a Legacy, I'll never buy a car again that I feel
> cramped in.  (I have
> longer-than-average legs even for my  6'4" height)
>
> RE AWD:
>
> Manual Subies (excluding STi varieties) have a
> Viscous limited slip
> center differential .  This is similar to Quattro as
> it offers a 50/50
> torque distribution in normal condions.  The viscous
> limited slip device
> adds progressive lock based on differences in axle
> speeds, where the
> Torsen adds progressive lock based on differences in
> axle torque (at the
> tire/road interface).  The viscous coupling takes
> longer to respond to
> conditions than a Torsen would.  (Have to have wheel
> spin to change bias
> ratio, where as Torsen ends up being more proactive)
>  I also noticed the
> oversteer in my 93 Legacy AWD, its probably due to
> the delay in the
> viscous LSD center.
>
> Auto Subies use a electronic controlled hydraulic
> dual-plate clutch
> coupling style AWD system which allows the rear axle
> to be progressively
> coupled to the front axle based on what the computer
> wants.  I think
> they advertise the "normal condition" torque split
> to be 90/10.  No
> experience with these.
>
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